312202313321142 has 32 divisors (see below), whose sum is σ = 624923510603904. Its totient is φ = 103980966206400.

The previous prime is 312202313321057. The next prime is 312202313321149. The reversal of 312202313321142 is 241123313202213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312202313321149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137379193 + ... + 139633259.

It is an arithmetic number, because the mean of its divisors is an integer number (19528859706372).

Almost surely, 2^{312202313321142} is an apocalyptic number.

312202313321142 is an abundant number, since it is smaller than the sum of its proper divisors (312721197282762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312202313321142 is a wasteful number, since it uses less digits than its factorization.

312202313321142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273244.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 312202313321142 its reverse (241123313202213), we get a palindrome (553325626523355).

The spelling of 312202313321142 in words is "three hundred twelve trillion, two hundred two billion, three hundred thirteen million, three hundred twenty-one thousand, one hundred forty-two".